| Romaji: | Monster Sonic! D'Artagnan no Idol Sengen |
| Japanese: | モンソニ! ダルタニャンのアイドル宣言 |
| English: | Monster Sonic! D'Artagnyan's Rise to Fame |
| Score: | 5.8 (747) |
| Popularity: | 11234 |
| Rank: | 11401 |
| Type: | ONA |
| Rating: | PG-13 - Teens 13 and Older |
| Episodes: | 5 |
| Duration: | 14 min |
| Broadcast: | 2017-06-14 to 2017-07-19 |
| Status: | Finished Airing |
| Source: | Game |
| Studios: | LIDENFILMS |
| Season: | Spring |
When D'Artagnan went to Tokyo for a little fun, she spotted an unforgettable sight: Lucifer singing while basking in moonlight in a park. From that moment, no matter if she was asleep or awake, D'Artagnan's heart would not stop throbbing for some reason. One day, D'Artagnan sees a concert by the popular idol act Angely Diva at her friend Izumo's invitation. There, she resolved to follow her idol dreams, and the story of song and miracles begins. (Source: ANN)
| Other: | Monster Strike Anime |
| Prequel: | Monster Sonic!: Senritsu no Lucifer, Tada Hitotsu no Hajimari no Uta |
| Side story: | Wishing |